# Calculator83 vs Calculator AiO

The clearest difference is in-app purchases: Calculator83 at none against Calculator AiO's 2. Calculator83 also leads on ads (none vs shown) and iOS requirement (15.0 vs 18.0). Calculator AiO's advantage is update cadence (every 5 days vs every 20 months). On price, rating, ratings volume and device support there is nothing between them.

Both are free to download. Calculator AiO sells 2 in-app purchases, starting at $8.99 per month. Calculator83 asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Calculator83 against 5.0 for Calculator AiO. Both are backed by a comparable volume of ratings — 4 and 5 respectively.

Calculator83 ships an update every 20 months, Calculator AiO every 5 days. The most recent releases landed on September 15, 2026 and August 16, 2026 respectively.

## The numbers

| Metric | Calculator83 | Calculator AiO |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (4 ratings)](https://appshunter.io/ios/app/calculator83/id891194491/reviews) | [5.0 (5 ratings)](https://appshunter.io/ios/app/calculator-aio/id6451085002/reviews) |
| Number of ratings | 4 | **5** |
| Positive reviews | 62.5% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 20 months | **Every 5 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 10 MB | 41 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Lyker Labs LLC](https://appshunter.io/developer/891194494) | [Matteus Barhaido](https://appshunter.io/developer/1696503834) |

## What reviewers say

### Calculator83

[App page](https://appshunter.io/ios/app/calculator83/id891194491)

A minimalist calculator app focused on simplicity and a clean workflow. It offers both basic and scientific modes, allowing users to perform calculations without complex settings. Get started quickly with this straightforward tool.

**Highlights:** Minimalist design, Clean workflow, Basic mode, Scientific mode, Easy to use

**Features:** macOS Compatibility

**In-app purchases:** none


### Calculator AiO

[App page](https://appshunter.io/ios/app/calculator-aio/id6451085002)

This app offers a versatile calculator experience with multiple input methods including keypad, photo recognition, handwriting, and AI chat. It also features graphing, unit conversion, and a secure media vault for private files. Enjoy a clean, ad-free interface with customizable themes.

**Highlights:** Keypad calculator with history, Photo math for equation solving, AI chat for math assistance, Handwriting recognition, Graph plotting, Unit and currency converter, Secure media vault

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Member - Monthly | $8.99 | per month |
| Pro Member - Annually | $79.99 | per year |


## Frequently asked questions

### Is Calculator83 free?

Calculator83 is free to download, with no in-app purchases.

### Is Calculator AiO free?

Calculator AiO is free to download, with in-app purchases available.

### Which has better reviews, Calculator83 or Calculator AiO?

Calculator83 and Calculator AiO are both rated 5.0 out of 5 on the App Store, from 4 and 5 ratings respectively.

### Do Calculator83 or Calculator AiO have ads?

Calculator AiO shows ads; Calculator83 does not.

### Which is updated more often, Calculator83 or Calculator AiO?

Calculator83 ships an update every 20 months, and Calculator AiO every 5 days. Most recently, Calculator83 was updated on September 15, 2026 and Calculator AiO on August 16, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*